{"id":"AZL-54174","summary":"CVE-2024-53112 affecting package kernel for versions less than 6.6.64.2-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: uncache inode which has failed entering the group\n\nSyzbot has reported the following BUG:\n\nkernel BUG at fs/ocfs2/uptodate.c:509!\n...\nCall Trace:\n \u003cTASK\u003e\n ? __die_body+0x5f/0xb0\n ? die+0x9e/0xc0\n ? do_trap+0x15a/0x3a0\n ? ocfs2_set_new_buffer_uptodate+0x145/0x160\n ? do_error_trap+0x1dc/0x2c0\n ? ocfs2_set_new_buffer_uptodate+0x145/0x160\n ? __pfx_do_error_trap+0x10/0x10\n ? handle_invalid_op+0x34/0x40\n ? ocfs2_set_new_buffer_uptodate+0x145/0x160\n ? exc_invalid_op+0x38/0x50\n ? asm_exc_invalid_op+0x1a/0x20\n ? ocfs2_set_new_buffer_uptodate+0x2e/0x160\n ? ocfs2_set_new_buffer_uptodate+0x144/0x160\n ? ocfs2_set_new_buffer_uptodate+0x145/0x160\n ocfs2_group_add+0x39f/0x15a0\n ? __pfx_ocfs2_group_add+0x10/0x10\n ? __pfx_lock_acquire+0x10/0x10\n ? mnt_get_write_access+0x68/0x2b0\n ? __pfx_lock_release+0x10/0x10\n ? rcu_read_lock_any_held+0xb7/0x160\n ? __pfx_rcu_read_lock_any_held+0x10/0x10\n ? smack_log+0x123/0x540\n ? mnt_get_write_access+0x68/0x2b0\n ? mnt_get_write_access+0x68/0x2b0\n ? mnt_get_write_access+0x226/0x2b0\n ocfs2_ioctl+0x65e/0x7d0\n ? __pfx_ocfs2_ioctl+0x10/0x10\n ? smack_file_ioctl+0x29e/0x3a0\n ? __pfx_smack_file_ioctl+0x10/0x10\n ? lockdep_hardirqs_on_prepare+0x43d/0x780\n ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10\n ? __pfx_ocfs2_ioctl+0x10/0x10\n __se_sys_ioctl+0xfb/0x170\n do_syscall_64+0xf3/0x230\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n...\n \u003c/TASK\u003e\n\nWhen 'ioctl(OCFS2_IOC_GROUP_ADD, ...)' has failed for the particular\ninode in 'ocfs2_verify_group_and_input()', corresponding buffer head\nremains cached and subsequent call to the same 'ioctl()' for the same\ninode issues the BUG() in 'ocfs2_set_new_buffer_uptodate()' (trying\nto cache the same buffer head of that inode). Fix this by uncaching\nthe buffer head with 'ocfs2_remove_from_cache()' on error path in\n'ocfs2_group_add()'.","modified":"2026-04-01T05:16:39.121109Z","published":"2024-12-02T14:15:11Z","upstream":["CVE-2024-53112"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-53112"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.64.2-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-54174.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}